Home / 755,346.38-1,133,057.22-215,682.70

Finding the Fourth Proportional to 755,346.38, 1,133,057.22 and 215,682.70

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Solution

The fourth proportional to 755,346.38, 1,133,057.22 and 215,682.70 is: 323,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,346.38 : 1,133,057.22 = 215,682.70 : x
  2. Step 2: Convert to fraction form
    755,346.38/1,133,057.22 = 215,682.70/x
  3. Step 3: Cross multiply
    755,346.38x = 1,133,057.22 × 215,682.70
  4. Step 4: Simplify right side
    755,346.38x = 244,380,836,553.04
  5. Step 5: Solve for x
    x = 244,380,836,553.04/755,346.38
  6. Step 6: Final answer
    x = 323,534.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.